let obj = [
  { diff: '作用', typeof: '检测数据类型', instanceof: '检测对象之间的关联性' },
  { diff: '返回', typeof: '小写字母字符串', instanceof: '布尔值' },
  { diff: '操作数', typeof: '简单数据类型、函数或者对象', instanceof: '左边必须是引用类型，右边必须是函数' },
  { diff: '操作数数量', typeof: '1个', instanceof: '2个' },
]
console.table(obj);